US Patent 12064663 Respiratory muscle strengthening device

A respiratory muscle strengthening device includes: a mask body which covers at least a part of the face of a user; a pressure unit which is provided at one side of the mask body to control air inhaled from the outside of the mask body; a sensor unit which is provided at one side of the mask body to measure a respiratory pattern of the user; a band part which is formed to extend from the opposite ends of the mask body and by which the mask body is brought into close contact with the face of the user; and a cover part which is detachably coupled to one side of the mask body. The cover part includes a filtering part which filters out particles in the air.